Find the slope of the line through each pair of points(-13,-18),(0.-17)

Find the slope of the line through each pair of points(-18,-9),(-17,-16)

Find the slope of the line through each pair of points(8,18),(-13,20)

Find the slope of the line through each pair of points(7,-10),(3,-10)

Find the slope of the line through each pair of points(-17,-15),(-17,10)

Find the slope of the line through each pair of points(-1,-13)(6,-12)